41.00.A - Construction of residential buildings
43.50.Z - Specialised construction activities in civil engineering
77.32.Z - Rental and leasing of construction and civil engineering machinery and equipment
68.11.Z - Buying and selling of own real estate
49.41.Z - Freight transport by road
46.87.Z - Wholesale of waste and scrap
46.83.Z - Wholesale of wood, construction materials and sanitary equipment
46.81.Z - Wholesale of solid, liquid and gaseous fuels and related products
46.63.Z - Wholesale of mining, construction and civil engineering machinery
43.99.Z - Other specialised construction activities n.e.c.
43.91.Z - Masonry and bricklaying activities
08.12.Z - Operation of gravel and sand pits and mining of clay and kaolin
43.42.Z - Other specialised construction activities in construction of buildings
43.12.Z - Site preparation
43.11.Z - Demolition
41.00.B - Construction of non-residential buildings
23.70.B - Production of other stone products, as well as cutting, shaping, and finishing of stone
23.66.Z - Manufacture of other articles of concrete, cement and plaster
23.63.Z - Manufacture of ready-mixed concrete
23.61.Z - Manufacture of concrete products for construction purposes